497023957 has 2 divisors, whose sum is σ = 497023958. Its totient is φ = 497023956.

The previous prime is 497023939. The next prime is 497023963. The reversal of 497023957 is 759320794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497022436 + 1521 = 22294^2 + 39^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497023957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497023157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248511978 + 248511979.

It is an arithmetic number, because the mean of its divisors is an integer number (248511979).

Almost surely, 2^497023957 is an apocalyptic number.

It is an amenable number.

497023957 is a deficient number, since it is larger than the sum of its proper divisors (1).

497023957 is an equidigital number, since it uses as much as digits as its factorization.

497023957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 497023957 is about 22294.0341122911. The cubic root of 497023957 is about 792.1226667167.

The spelling of 497023957 in words is "four hundred ninety-seven million, twenty-three thousand, nine hundred fifty-seven".